<template>
  <el-row>
    <el-col :span="12">
      <div class="loginback">
        <div class="loginbackImg"></div>
      </div>
    </el-col>
    <el-col :span="12">
      <div class="right">
        <div class="rightCenter">
          <!-- <p class="systemName">
          
          </p> -->
          <el-row>
            <el-col :span="5">
                <img
              class="rightlogo"
              src="../assets/logo/logo-new.png"
            />
            </el-col>
            <el-col :span="19" class="systemName">
              净化后勤管理系统
            </el-col>
          </el-row>
          <div class="form">
            <div class="tips">用户名密码登录</div>
            <el-form
              ref="loginForm"
              :model="loginForm"
              :rules="loginRules"
              class="login-form"
            >
              <el-form-item prop="username">
                <el-input
                  v-model.trim="loginForm.username"
                  type="text"
                  auto-complete="off"
                  placeholder="账号"
                >
                  <svg-icon
                    slot="prefix"
                    icon-class="user"
                    class="el-input__icon input-icon"
                  />
                </el-input>
              </el-form-item>
              <el-form-item prop="password">
                <el-input
                  v-model.trim="loginForm.password"
                  type="password"
                  auto-complete="off"
                  placeholder="密码"
                  @keyup.enter.native="handleLogin"
                >
                  <svg-icon
                    slot="prefix"
                    icon-class="password"
                    class="el-input__icon input-icon"
                  />
                </el-input>
              </el-form-item>
              <el-form-item prop="code" v-if="captchaEnabled">
                <el-row>
                  <el-col :span="18">
                    <el-input
                      v-model="loginForm.code"
                      auto-complete="off"
                      placeholder="验证码"
                      @keyup.enter.native="handleLogin"
                    >
                      <svg-icon
                        slot="prefix"
                        icon-class="validCode"
                        class="el-input__icon input-icon"
                      />
                    </el-input>
                  </el-col>
                  <el-col :span="6">
                    <div class="login-code">
                      <img
                        :src="codeUrl"
                        @click="getCode"
                        class="login-code-img"
                      />
                    </div>
                  </el-col>
                </el-row>
              </el-form-item>
              <el-checkbox
                v-model="loginForm.rememberMe"
                style="margin: 0px 0px 25px 0px"
                >记住密码
              </el-checkbox>
              <el-form-item style="width: 100%">
                <el-button
                  :loading="loading"
                  size="medium"
                  type="primary"
                  style="width: 100%"
                  @click.native.prevent="handleLogin"
                >
                  <span v-if="!loading">登 录</span>
                  <span v-else>登 录 中...</span>
                </el-button>
                <div style="float: right" v-if="register">
                  <router-link class="link-type" :to="'/register'"
                    >立即注册</router-link
                  >
                </div>
              </el-form-item>
            </el-form>
          </div>
        </div>
      </div>
    </el-col>
  </el-row>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        // username: "admin",
        username: "",
        // password: "admin123",
        password: "",
        rememberMe: false,
        code: "",
        uuid: "",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" },
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }],
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.data.captchaEnabled === undefined
            ? true
            : res.data.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30,
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30,
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          const loginObj = {
            ...this.loginForm,
            grantType: this.captchaEnabled ? "captcha" : "password"
          }
          this.$store.dispatch("Login", loginObj)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" }).catch(() => {});
            })
            .catch(() => {
              this.loading = false;
              if (this.captchaEnabled) {
                this.getCode();
              }
            });
        }
      });
    },
  },
};
</script>

<style scoped lang="scss">
.login {
  width: 100%;
  min-width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
}

.loginback {
  background-color: #001529;
  width: 50vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loginbackImg {
  width: 825px;
  height: 418px;
  background-image: url("../assets/images/login-background-new.png");
  background-size: cover;
}

.right {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #ffffff;
}


.systemName {
  font-size: 49px;
  color: #333333;
}

.rightlogo {
  width: 85px;
  height: 85px;
  margin-right: 20px;
  
}

.form {
  width: 500px;
  padding-left: 10px;
  margin-top: 60px;
}

.login-form {
  margin: auto;
  width: 480px;
  padding: 25px 0 5px 0;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-code {
  text-align: right;
  height: 38px;

  img {
    cursor: pointer;
    height: 38px;
  }
}

.tips {
  margin-left: 5px;
  height: 40px;
  box-sizing: border-box;
  line-height: 40px;
  display: inline-block;
  list-style: none;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  z-index: 1;
  border-bottom: 2px solid #409eff;
  color: #1890ff;
}
</style>
